HXGN15-12 SF6 Gas Insulated Ring Main Unit (RMU SF6) overview
- HXGN15-12 Ring Main Unit (SF6 Gas insulated Ring Main Unit), box type AC metal closed switchgear
- Rated AC frequency 50Hz/ 60Hz, maximum working voltage to 12kV, maximum working current to 4000A
- High reliability of operation verification in more than 50 countries and regions around the world,Kuwait, UAE, Saudi Arabia, Iraq, Qatar, Tanzania, Zimbabwe, Ghana, South Africa, Kenya, Zambia, Libya, Myanmar, Philippines, Bangladesh, Nepal,Uzbekistan, Kazakhstan, Kyrgyzstan, Mongolia, Indonesia, Pakistan,Vietnam etc.
- Mainly used in factories, workshops, residential areas, high-rise buildings and other places
of power distribution system, ring network power supply, also suitable for box substation
- Meet many international standards: IEC62271-200:2003, GB3906, etc
HXGN15-12 SF6 Gas Insulated Ring Main Unit (RMU SF6) advantage
> Leading technology
- Standard anti-corrosion and salt spray environmental plan to meet the stringent environmental requirements of the site
- The components can be equipped with ABB's original HAD/US type ISF6 circuit breaker or VD4-S type vacuum circuit breaker
- SFL-12/24 switchgear with components assembled in China can also be used according to the needs of users
- With perfect and reliable mechanical linkage, interlocking device, fully achieve the "five prevention" function (IP3X)
> Cabinet put oneself in another's position
- The whole is made of 2mm hot dip galvanized plate
- Laser numerical control equipment cutting, drilling, bending, to ensure the processing accuracy
- The exterior is coated with electrostatic epoxy powder, which will not take off paint for 50 years
> Functional units
- Manual and electric operation, remote control function
- Load switch, combination electrical appliances, its installation mode is flexible, can be installed on the left and right side, front, flip
- Two pressure relief holes, cable room and bus room (load switch) at the back of cabinet
> Busbar system
- High quality three-phase tin bus copper bar, high mechanical strength, good heat dissipation
> Processing and assembly
- Dust-free workshop to ensure insulation
- Assembly workers have been trained for at least 6 months
- Use power tools to ensure proper torque for bolting reinforcement
- The copper bus is CNC cutting, punching and bending to ensure the accuracy
- Leybold Helium Mass Spectrometry Leak Detector, Germany -- ensure that the leakage rate of SF6 gas tank is below the national standard
- Computer-controlled equipressure pumping and inflating integrated equipment for vacuum chamber -- to ensure no deformation of gas box and 99.9% purity of SF6 gas
HXGN15-12 SF6 Gas Insulated Ring Main Unit (RMU SF6) parameters
|
The name of the |
unit |
data |
|
HXGN15-12(F) |
HXGN15-12(F - R) |
|
The rated voltage |
kV |
12 |
12 |
|
Rated frequency |
Hz |
50 |
50 |
|
Main bus rated current |
A |
630 |
630 |
|
Maximum fuse current rating |
A |
- |
125 |
|
The rated short-time tolerance current of the main circuit is a fixed short-circuit duration |
kA/s |
20 3 |
20 3 |
|
Rated expected short circuit breaking current |
kA |
- |
50 |
|
1min power frequency voltage withstand, phase, ground/fracture |
kV |
42/48 |
42/48 |
|
Lightning voltage, phase, ground/fracture resistance |
kV |
75/85 |
75/85 |
|
Protection level |
|
IP2X |
IP2X |
Conditions of use
- Altitude shall not exceed 2000m
- ambient air temperature not higher than +40 ° C, not lower than -5 ° C (average temperature within 24 hours not higher than +35 ° C)
- The humidity of the surrounding air should not exceed 50%. Low temperature allows a large relative temperature (e.g. +20 ° C is 90%). Consideration should be given to the effect of condensation caused by temperature changes
- Inclination with vertical plane is not more than 5°, and the whole group of cabinets is relatively flat, in line with (GBJ232-2) standard
- Requested in no violent vibration and impact, electrical components will not be corroded, no conductive dust place
HXGN15-12 SF6 Gas Insulated Ring Main Unit (RMU SF6) Ordering instructions
> The customer shall provide the following information:
- Main circuit scheme diagram, secondary circuit system diagram and auxiliary circuit control mode
- Equipment layout drawing and distribution room layout drawing
- Brand and model of main electrical components of the equipment
- Inlet and outlet line mode. When bus bridge connection is needed between devices, data such as bus spacing and height from ground shall be provided.
- Other special requirements can be negotiated with Hengfengyou Electric
Our Advantages
- Authoritative product certification: ISO CE, CB, CCC, etc
- Perfect SQA quality management system to ensure high quality products
- Quick quotation, can provide electrical design services
- The delivery period is short, and the fastest delivery time is 15 days worldwide
- Perfect after-sales service system, so that customers buy worry-free
- Welcome customers to visit the factory guidance, provide OEM/ODM protection level
HXGN15-12 SF6 Gas Insulated Ring Main Unit (RMU SF6) FAQ
-
What is the rated voltage of the HXGN15-12 SF6 RMU?
The rated voltage is 12kV, making it suitable for medium-voltage distribution networks.
-
What type of switching mechanism does this RMU use?
It utilizes SF6 gas insulation and a spring-operated mechanism for reliable load-breaking and fault isolation.
-
Is the HXGN15-12 RMU suitable for outdoor installation?
Yes, its IP67-rated enclosure ensures protection against dust, moisture, and harsh weather conditions.
-
What is the normal service life of this SF6-insulated RMU?
With proper maintenance, the expected service life is over 30 years under standard operating conditions.
-
Does this RMU support remote monitoring capabilities?
Optional SCADA-compatible sensors can be integrated for real-time monitoring of gas pressure, temperature, and switch status.
-
What safety features are included in the design?
Features include SF6 gas density monitoring, pressure relief devices, and mechanical interlocks to prevent incorrect operation.
-
How often should SF6 gas levels be checked?
Recommended to check gas pressure annually, with comprehensive gas quality analysis every 5-8 years.
-
Can the RMU be expanded for additional feeder circuits?
Modular design allows for easy expansion from 2-way to 6-way configurations as needed.
-
What maintenance is required for the HXGN15-12 RMU?
Routine maintenance includes visual inspections, mechanical operation tests, and contact resistance measurements every 3-5 years.
-
What standards does this RMU comply with?
It meets IEC 62271-200, GB/T 3906, and other relevant international and national standards for SF6 switchgear.
